StallionVMS vs FrackCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StallionVMS
Monitor surveillance cameras in real-time and review past footage. This system offers cloud storage and advanced analytics, including object detection for people and vehicles. Receive instant notifications for triggered events.
- Real-time camera monitoring
- Review past events and archives
- Cloud storage and analytics
- Object detection (people, vehicles)
- Customizable event notifications
- Bank-grade encryption
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Stallion Cloud VMS Monitor your Stallion surveillance cameras in real time or review past events and archives. Stallion Cloud Video Surveillance and Analytics is an end-to-end video surveillance solution. Leveraging plug-and-play cameras to monitor your business and cloud storage and analytics. Stallion provides end-to-end solutions from single location businesses with few cameras to businesses with several cameras across multiple locations. Video is transmitted to the cloud using bank-grade encryption where it’s then processed using machine learning to detect objects such as people and vehicles. Event rules based on time schedules and object types can trigger notifications to be sent to mobile phones, email, or our video monitoring station.
FrackCalc
This app provides on-the-go hydraulic fracturing calculations for the oilfield. It helps determine chemical rates, fluid clean-up, proppant amounts, and pump speeds. Includes a unit converter for common oilfield measurements.
- Hydraulic fracturing calculations
- Proppant amount and height determination
- RPM calculator for pumping speeds
- Hydrostatic calculator for proppant-laden slurry
- Oilfield unit converter
- Pump rate calculation based on transmission curves
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FracCalc is an all-in-one oilfield calculator engineered by Moosaa Young specifically for hydraulic fracturing operations. Perform essential oilfield calculations and track your stage bonuses on the fly directly from your phone — no internet connection or manual equation lookups required! Key Features & Calculators: • Stage Bonus & Salary Calculator: Log daily pumped stages, customize stage rate schedule templates (1 to 40 stages), calculate total bonus and salary earnings with multi-currency support, share/import schedules via AirDrop or file picker, and track multi-year earnings history. • Brine & Acid-Brine Calculator: Calculate Specific Gravity (SG), solution density (ppg), final bbl volume, and dry salt requirements (lbs/bbl) for KCl, CaCl2, CaBr2, and NaCl brines with built-in solubility limits and interactive reference tables. • Frac Pump Simulator: Simulate Caterpillar and Allison transmission curve outputs to view exact pump rates in high-visibility BPM with live lockup status and pressure safety limits. • Chemical & Fluid Rates: Rapidly determine chemical injection rates and fluid clean rates during operations. • Screenout & Proppant Height: Calculate exact proppant volume and settled height post-screenout, giving Coiled Tubing teams precise estimates of where tool tag is expected. • Auger RPM Calculator: User-friendly sliders and steppers help you dial in exact auger speeds while pumping, eliminating target undershoot or overshoot. • Hydrostatic & Slurry Pressure: Calculate proppant-laden slurry hydrostatic pressure in the wellbore to forecast surface pressure drops as proppant concentration increases. • Oilfield Unit Converter: Quick conversion utility for all standard oilfield engineering units. • Modern Dark-Mode & Edge Swipe Navigation: Enjoy a sleek, dark-mode friendly card interface with fluid edge-swipe navigation designed for fast field use. Designed by field engineers for field engineers — put fast, reliable frac calculations, instant AirDrop template sharing, and stage bonus tracking right in your pocket!
Screenshots
Verdict
The clearest difference is price: StallionVMS at Free against FrackCalc's $9.99. StallionVMS also leads on ratings volume (5 vs 1) and iOS requirement (12.0 vs 16.0). FrackCalc's advantage is update cadence (weekly vs every 17 months). On rating, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
StallionVMS is free to download; FrackCalc costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for StallionVMS against 5.0 for FrackCalc. That said, the two scores are not equally well evidenced: StallionVMS has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
StallionVMS ships an update every 17 months, FrackCalc weekly. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.
| Parameter | StallionVMS | FrackCalc |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 17 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 42 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Stallion Infrastructure Services LTD | Moosaa Young |
Customer experience
StallionVMS
FrackCalc
In-app purchases
StallionVMS
No in-app purchases
FrackCalc
No in-app purchases









